| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Hole system | Mining | A system of contract work underground by which the pointing of the holes and blasting are done by company personnel and the rest of the work by the miners. (references) | |
| Standard hole system | Meteorology & Standards | A system of fits in which the different clearances and interferences are obtained in associating various shafts with a single hole. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||